Question

What is the derivative of Y =x√(2x + 1)/e^xsin^3(x).?

Answer 1

$-\dfrac{\mathrm{e}^{-x}\left(\left(2x^2-2x-1\right)\sin\left(x\right)+\left(6x^2+3x\right)\cos\left(x\right)\right)}{\sqrt{2x+1}\sin^4\left(x\right)}.$